Plywood boat plans. below are free plans from the web for building a plywood boat. over 40 free plans. boating is full of thrill and adventures, and you will be glad to make it a part of your camp plans. you can make a plywood boat easily and without spending too much. but be very careful while you build that you are building a safe boat.. But to get into the boat from a jetty is difficult, if you can’t step into the boat. the minimum bottom width for any chance of standing in a small dinghy seems to be upwards from 28" (70 cm). it’s a minimum boat, don’t overdo it!. Build your own boat for this season. be on the water in a few weeks after receiving your plans or kit. it takes just a few hours work a day to complete a dinghy or canoe in 1 to 5 weeks with our diy plans, kits or workshop courses. all of them come with a materials list, full step by step instructions and advice on plywood types, wood and epoxy..